Worked on enhancing the stability and performance of the Bevy engine’s test suite within the bevyengine/bevy repository. Focused on optimizing Observer tests by removing redundant world.flush() calls, which improved test runtime and reduced flaky behavior during continuous integration. This targeted bug fix streamlined the testing process, leading to clearer test outcomes and increased developer productivity. Applied expertise in Rust and software testing to analyze and address performance bottlenecks, ensuring more reliable test execution. The work demonstrated a methodical approach to codebase maintenance, emphasizing test optimization and performance analysis using Rust and Bevy, with a focus on practical, incremental improvements.